<template>
  <div class="login">
    <el-form
      ref="loginForm"
      :model="loginForm"
      :rules="loginRules"
      class="login-form"
    >
      <h3 class="title">账号登录</h3>

      <el-form-item prop="username">
        <div class="xian"></div>
        <el-input
          v-model="loginForm.username"
          type="text"
          auto-complete="off"
          placeholder="请输入账号"
        >
        </el-input>
      </el-form-item>
      <el-form-item prop="password">
        <el-input
          v-model="loginForm.password"
          type="password"
          auto-complete="off"
          placeholder="请输入密码"
          @keyup.enter.native="handleLogin"
        >
        </el-input>
      </el-form-item>
      <el-form-item prop="code">
        <el-input
          v-model="loginForm.code"
          auto-complete="off"
          placeholder="请输入验证码"
          style="width: 63%"
          @keyup.enter.native="handleLogin"
          >>
        </el-input>
        <div class="login-code">
          <img :src="codeUrl" @click="getCode" class="login-code-img" />
        </div>
      </el-form-item>
      <el-checkbox
        v-model="loginForm.rememberMe"
        style="margin: 0px 0px 25px 0px"
        >记住密码</el-checkbox
      >
      <el-form-item style="width: 100%">
        <el-button
          :loading="loading"
          size="medium"
          type="primary"
          style="width: 100%"
          @click.native.prevent="handleLogin"
          class="login_btn"
        >
          <span v-if="!loading">登 录</span>
          <span v-else>登 录 中...</span>
        </el-button>
      </el-form-item>
    </el-form>
    <!--  底部  -->
    <!-- <div class="el-login-footer">
      <span>Copyright © 2018-2021 ruoyi.vip All Rights Reserved.</span>
    </div> -->
  </div>
</template>

<script>
import { getCodeImg } from "@/api/login";
import Cookies from "js-cookie";
import { encrypt, decrypt } from "@/utils/jsencrypt";

export default {
  name: "Login",
  data() {
    return {
      codeUrl: "",
      loginForm: {
        username: "",
        password: "",
        rememberMe: false, //是否记住密码
        code: "",
        uuid: "",
      },
      loginRules: {
        username: [
          { required: true, trigger: "blur", message: "用户名不能为空" },
        ],
        password: [
          { required: true, trigger: "blur", message: "密码不能为空" },
        ],
        code: [
          { required: true, trigger: "change", message: "验证码不能为空" },
        ],
      },
      loading: false,
      redirect: undefined,
    };
  },
  watch: {
    $route: {
      handler: function (route) {
        this.redirect = route.query && route.query.redirect;
      },
      immediate: true,
    },
  },
  created() {
    this.getCode();
    this.getCookie();
  },
  methods: {
    getCode() {
      getCodeImg().then((res) => {
        this.codeUrl = "data:image/gif;base64," + res.img;
        this.loginForm.uuid = res.uuid;
      });
    },
    getCookie() {
      const username = Cookies.get("username");
      const password = Cookies.get("password");
      const rememberMe = Cookies.get("rememberMe");
      this.loginForm = {
        username: username === undefined ? this.loginForm.username : username,
        password:
          password === undefined ? this.loginForm.password : decrypt(password),
        rememberMe: rememberMe === undefined ? false : Boolean(rememberMe),
      };
    },
    handleLogin() {
      this.$refs.loginForm.validate((valid) => {
        if (valid) {
          this.loading = true;
          if (this.loginForm.rememberMe) {
            Cookies.set("username", this.loginForm.username, { expires: 30 });
            // localStorage.setItem("userName", this.loginForm.username);
            Cookies.set("password", encrypt(this.loginForm.password), {
              expires: 30,
            });
            Cookies.set("rememberMe", this.loginForm.rememberMe, {
              expires: 30,
            });
          } else {
            Cookies.remove("username");
            Cookies.remove("password");
            Cookies.remove("rememberMe");
          }
          this.$store
            .dispatch("Login", this.loginForm)
            .then(() => {
              localStorage.setItem("userName", this.loginForm.username);
              this.$router.push({ path: this.redirect || "/" }).catch(() => {});
            })
            .catch(() => {
              this.loading = false;
              this.getCode();
            });
        }
      });
    },
  },
};
</script>

<style rel="stylesheet/scss" lang="scss">
.el-form-item {
  margin-bottom: 10px !important;
}
.el-form-item__error {
  margin-top: -10px !important;
}
.login_btn {
  margin-top: 10px;
  width: 322px;
  height: 40px;
  background: #304156;
  border-radius: 10px;
  text-align: center;
  border: none;
}
.login {
  display: flex;
  height: 100%;
  background-image: url("../assets/images/login-background.jpg");
  background-size: cover;
  position: relative;
}
.title {
  font-size: 18px;
  font-family: PingFang SC;
  font-weight: 500;
  color: #333333;
  text-align: center;
  padding: 26px 0;
  padding-top: 34px;
}
.login-form {
  padding: 0 31px;
  box-sizing: border-box;
  overflow: hidden;
  position: absolute;
  right: 20%;
  bottom: 20%;
  width: 380px;
  height: 450px;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 12px;
  border-radius: 12px;
  .xian {
    width: 322px;
    height: 1px;
    background: #e4e4e4;
    margin-bottom: 22px;
  }
  .el-input {
    width: 322px;
    height: 42px;
    background: #ffffff;
    border: 1px solid #e4e4e4;
    border-radius: 10px;
    outline: none;
    border: none;
    overflow: hidden;
    input {
      height: 42px;
      outline: none;
      border: none;
    }
  }
}
.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}
.login-code {
  width: 33%;
  height: 42px;
  float: right;
  img {
    height: 100%;
    width: 100%;
    cursor: pointer;
    vertical-align: middle;
  }
}
// .el-login-footer {
//   height: 40px;
//   line-height: 40px;
//   position: fixed;
//   bottom: 0;
//   width: 100%;
//   text-align: center;
//   color: #fff;
//   font-family: Arial;
//   font-size: 12px;
//   letter-spacing: 1px;
// }
// .login-code-img {
//   height: 38px;
// }
</style>
